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Finding the Fourth Proportional to 577,501.60, 865,330.80 and 483,498.40

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Solution

The fourth proportional to 577,501.60, 865,330.80 and 483,498.40 is: 724,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,501.60 : 865,330.80 = 483,498.40 : x
  2. Step 2: Convert to fraction form
    577,501.60/865,330.80 = 483,498.40/x
  3. Step 3: Cross multiply
    577,501.60x = 865,330.80 × 483,498.40
  4. Step 4: Simplify right side
    577,501.60x = 418,386,057,270.72
  5. Step 5: Solve for x
    x = 418,386,057,270.72/577,501.60
  6. Step 6: Final answer
    x = 724,476.01

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1.5x scale

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.