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Finding the Fourth Proportional to 710,350.10, 980,055.69 and 506,434.22

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Solution

The fourth proportional to 710,350.10, 980,055.69 and 506,434.22 is: 698,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,350.10 : 980,055.69 = 506,434.22 : x
  2. Step 2: Convert to fraction form
    710,350.10/980,055.69 = 506,434.22/x
  3. Step 3: Cross multiply
    710,350.10x = 980,055.69 × 506,434.22
  4. Step 4: Simplify right side
    710,350.10x = 496,333,738,921.71
  5. Step 5: Solve for x
    x = 496,333,738,921.71/710,350.10
  6. Step 6: Final answer
    x = 698,717.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.