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Finding the Fourth Proportional to 604,991,013.60, 907,486,520.40 and 591,554,085.60

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Solution

The fourth proportional to 604,991,013.60, 907,486,520.40 and 591,554,085.60 is: 887,331,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,991,013.60 : 907,486,520.40 = 591,554,085.60 : x
  2. Step 2: Convert to fraction form
    604,991,013.60/907,486,520.40 = 591,554,085.60/x
  3. Step 3: Cross multiply
    604,991,013.60x = 907,486,520.40 × 591,554,085.60
  4. Step 4: Simplify right side
    604,991,013.60x = 536,827,358,769,547,776
  5. Step 5: Solve for x
    x = 536,827,358,769,547,776/604,991,013.60
  6. Step 6: Final answer
    x = 887,331,128.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.